Grants string (#270)

* remove auth0.String from apiGrantsFor slice items

* remove test file

internal/cli/apps.go

@@ -745,25 +745,25 @@ func apiGrantsFor(s []string) []interface{} {
 	for i, v := range s {
 		switch strings.ToLower(v) {
 		case "authorization-code", "code":
-			res[i] = auth0.String("authorization_code")
+			res[i] = "authorization_code"
 		case "implicit":
-			res[i] = auth0.String("implicit")
+			res[i] = "implicit"
 		case "refresh-token":
-			res[i] = auth0.String("refresh_token")
+			res[i] = "refresh_token"
 		case "client-credentials", "credentials":
-			res[i] = auth0.String("client_credentials")
+			res[i] = "client_credentials"
 		case "password":
-			res[i] = auth0.String("password")
+			res[i] = "password"
 		case "password-realm":
-			res[i] = auth0.String("http://auth0.com/oauth/grant-type/password-realm")
+			res[i] = "http://auth0.com/oauth/grant-type/password-realm"
 		case "mfa-oob":
-			res[i] = auth0.String("http://auth0.com/oauth/grant-type/mfa-oob")
+			res[i] = "http://auth0.com/oauth/grant-type/mfa-oob"
 		case "mfa-otp":
-			res[i] = auth0.String("http://auth0.com/oauth/grant-type/mfa-otp")
+			res[i] = "http://auth0.com/oauth/grant-type/mfa-otp"
 		case "mfa-recovery-code":
-			res[i] = auth0.String("http://auth0.com/oauth/grant-type/mfa-recovery-code")
+			res[i] = "http://auth0.com/oauth/grant-type/mfa-recovery-code"
 		case "device-code":
-			res[i] = auth0.String("urn:ietf:params:oauth:grant-type:device_code")
+			res[i] = "urn:ietf:params:oauth:grant-type:device_code"
 		default:
 		}
 	}